| 0,0 → 1,79 |
|---|
| |
| #include <drmP.h> |
| #include <drm.h> |
| #include "radeon_drm.h" |
| #include "../radeon.h" |
| #include "../display.h" |
| |
| extern struct radeon_device *main_device; |
| |
| typedef struct |
| { |
| kobj_t header; |
| |
| int width; |
| int height; |
| int stride; |
| uint64_t gaddr; |
| void *uaddr; |
| struct radeon_bo *robj; |
| }bitmap_t; |
| |
| int create_bitmap(bitmap_t **pbitmap, int width, int height) |
| { |
| size_t size; |
| size_t pitch; |
| bitmap_t *bitmap; |
| uint64_t gaddr; |
| void *uaddr; |
| |
| struct radeon_device *rdev = main_device; |
| struct radeon_bo *sobj = NULL; |
| |
| int r; |
| |
| bitmap = CreateObject(GetPid(), sizeof(bitmap_t)); |
| if( bitmap == NULL) |
| { |
| *pbitmap = NULL; |
| return -1; |
| } |
| |
| pitch = radeon_align_pitch(rdev, width, 32, false) * 4; |
| |
| size = pitch * height; |
| |
| r = radeon_bo_create(rdev, size, PAGE_SIZE, true, |
| RADEON_GEM_DOMAIN_GTT, &sobj); |
| if (r) { |
| goto fail; |
| } |
| r = radeon_bo_reserve(sobj, false); |
| if (unlikely(r != 0)) |
| goto fail; |
| r = radeon_bo_pin(sobj, RADEON_GEM_DOMAIN_GTT, &gaddr); |
| if (r) { |
| goto fail; |
| } |
| |
| r = radeon_bo_user_map(sobj, &uaddr); |
| if (r) { |
| goto fail; |
| } |
| |
| bitmap->width = width; |
| bitmap->height = height; |
| bitmap->stride = pitch; |
| bitmap->gaddr = gaddr; |
| bitmap->uaddr = uaddr; |
| bitmap->robj = sobj; |
| |
| *pbitmap = bitmap; |
| return 0; |
| |
| fail: |
| |
| DestroyObject(bitmap); |
| return -1; |
| |
| }; |